If you're using a third-party payment provider like Authorize.net or Braintree to store CC numbers, you'll be given a unique token from the provider when you add the CC number. When you add the CC you can also have the provider run and immediately void a dummy transaction to verify the card is real, too.
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If you're using a third-party payment provider like Authorize.net or Braintree to store CC numbers, you'll be given a unique token from the provider when you add the CC number. When you add the CC you can also have the provider run and immediately void a dummy transaction to verify the card is real, too.